Although tbf it’s probably accelerated the shift in Reddits demographic from users that post longform content to more casual users that just browse and upvote/downvote stuff without engaging beyond that. I doubt they care much bc they probably just want ad impressions and to become a titan akin to Facebook/twitter/etc. it seems short sighted but growth at the expense of community seems to be a common theme of vc backed anything
As for Twitter I'm one leg into Mastadon, but the space flight news folk is still on Twitter.